This product emits radiant heat up to 194°F. Unlike a traditional heat pad (where the heat only touches the surface), the heat with FAR Infrared is transmitted through conversion, meaning the heat penetrates your skin and heats the tissue directly (up to 2"). This acts as a deep tissue massage and increases blood circulation, therefore helping any types of ailments you might have. The temperature is variable, and has time settings. 30minutes a day, is all you need and you will feel a difference. There is medical literature on the site. Chiropractors, Massage Therapists, and even home use.